Finding the Fourth Proportional to 71,253.22, 106,795.86 and 29,107.30
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Solution
The fourth proportional to 71,253.22, 106,795.86 and 29,107.30 is: 43,626.65
Step by Step Solution
- Step 1: Write the proportion equation
71,253.22 : 106,795.86 = 29,107.30 : x - Step 2: Convert to fraction form
71,253.22/106,795.86 = 29,107.30/x - Step 3: Cross multiply
71,253.22x = 106,795.86 × 29,107.30 - Step 4: Simplify right side
71,253.22x = 3,108,539,135.78 - Step 5: Solve for x
x = 3,108,539,135.78/71,253.22 - Step 6: Final answer
x = 43,626.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.